ICD-10-CM › J00-J99 › J40-J4B › J codes › J42
Unspecified chronic bronchitis
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Unspecified chronic bronchitis
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
This code
Excludes1 - never coded here
- bronchiolitis obliterans and bronchiolitis obliterans syndrome (J44.81)
- chronic asthmatic bronchitis (J44.-)
- chronic bronchitis with airways obstruction (J44.-)
- chronic emphysematous bronchitis (J44.-)
- chronic obstructive pulmonary disease NOS (J44.9)
- simple and mucopurulent chronic bronchitis (J41.-)
Use additional code
- code to identify:
- exposure to environmental tobacco smoke (Z77.22)
- exposure to tobacco smoke in the perinatal period (P96.81)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
Code also
- , if applicable, chronic respiratory conditions due to chemicals, gases, fumes and vapors (J68.4)
Also known as
- Chronic bronchitis NOS
- Chronic tracheitis
- Chronic tracheobronchitis
Inherited from the J40-J4B section Chronic lower respiratory diseases (J40-J4B)
Excludes1 - never coded here
- bronchitis due to chemicals, gases, fumes and vapors (J68.0)
Excludes2 - not included here
- cystic fibrosis (E84.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Congestive
- Cold > chest
- Cold > on lung
- Cold > bronchial
- Tracheobronchitis
- Effusion > bronchial
- Bronchitis > croupous
- Bronchitis > subacute
- Bronchitis > exudative
- Irritation > bronchial
- Laryngotracheobronchitis
- Catarrh, catarrhal > lung
- Catarrh, catarrhal > chest
- Bronchitis > catarrhal > acute
- Catarrh, catarrhal > bronchial
- Catarrh, catarrhal > pulmonary
- Congestion, congestive > trachea
- Bronchitis > under l5 years of age
- Stasis > bronchus > with infection
- Irritable, irritability > bronchial
- Bronchiolitis > due to > external agent
- Bronchospasm > with > bronchitis, acute
- Bronchitis > in those under l5 years age
- Bronchitis > purulent > acute or subacute
- Bronchitis > viral NEC, acute or subacute
- Infection, infected, infective > bronchus
- Bronchitis > suppurative > acute or subacute
- Bronchitis > under l5 years of age > chronic
- Inflammation, inflamed, inflammatory > bronchi
- Inflammation, inflamed, inflammatory > trachea
- Bronchitis > pseudomembranous, acute or subacute
- Bronchitis > in those under l5 years age > chronic
- Tracheitis > with > bronchitis > acute or subacute
- Inflammation, inflamed, inflammatory > respiratory, upper
- Infection, infected, infective > respiratory NEC > lower > chronic
- Bronchitis > senile
- Bronchitis > chronic
- Tracheitis > chronic
- Bronchorrhea > chronic
- Pharyngotracheitis, chronic
Showing 40 of 46 index phrases.